期刊
COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
卷 23, 期 2, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219199720500091
关键词
Inhomogeneous Schrodinger maps; Strichartz estimates; weighted Sobolev spaces; blow-up solution
资金
- NSFC [11171302, 11671354]
This study addresses the Cauchy problem of radial inhomogeneous Schrodinger maps (ISM) through complex transformation and establishes the well-posedness of integro-differential Schrodinger equations, including the integral radial IMS, for small spherically symmetric initial data. Additionally, the existence of blow-up solutions for the integral radial ISM is proven for n <= 2.
This paper studies the Cauchy problem of radial inhomogeneous Schrodinger maps (ISM) which arises from the integrable model of the inhomogeneous spherically symmetric Heisenberg ferromagnetic spin system. Through a complex transformation the radial ISM is equivalent to an integro-differential Schrodinger equation. A new weighted Sobolev space ?beta 1,l(+) is introduced and the well-posedness of integro-differential Schrodinger equations, including the integral radial IMS, with small spherically symmetric initial data in one-dimensional energy space ?11,2(+) is established. Furthermore, for n <= 2, we prove the existence of blow-up solutions for the integral radial ISM.
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